ΔE 25.1, loose: different enough that you should pick on purpose. Imperial Yellow is a little lighter, much more saturated, warmer than Evil Root.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 25). Imperial Yellow is a little lighter, much more saturated, warmer than Evil Root.
The same difference applies the other way round: Evil Root is a little darker, much more muted, cooler.
ΔE is the colour difference between our two swatch estimates: under about 6 is close, over about 15 is loose. Real paints also differ in finish, coverage and how they thin, so test before you commit.
See Evil Root on the colour wheel See Imperial Yellow on the colour wheel
All matches: Evil Root equivalents · Imperial Yellow equivalents